#1F4E6E#1F4E6E

#1F4E6E is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.7% C 0.074 H 241.6°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E6E
RGB	rgb(31, 78, 110)
HSL	hsl(204, 56%, 28%)
HSV	hsv(204, 72%, 43%)
CMYK	cmyk(71.8%, 29.1%, 0%, 56.9%)
CIE-LAB	lab(31.50, -4.52, -23.10)
CIE-LCH	lch(31.50, 23.54, 258.94°)
OKLab	oklab(40.72% -0.0351 -0.0651)
OKLCH	oklch(40.72% 0.074 241.6)
XYZ	xyz(6.1029, 6.8652, 15.7523)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E6E #6E3F1F

analogous

#1F6E66 #1F4E6E #1F266E

triadic

#1F4E6E #6E1F4E #4E6E1F

tetradic

#1F4E6E #661F6E #6E3F1F #266E1F

square

#1F4E6E #661F6E #6E3F1F #266E1F

split-complementary

#1F4E6E #6E1F26 #6E661F

monochromatic

#071118 #122C3E #1F4E6E #2C709E #3F91C9

Accessibility & contrast

On white

8.85

#1F4E6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1F4E6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E6E

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E6E	#FFFFFF	#000000	##FFFFFF
##1F4E6E	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4E6F

Deuteranopia (green-blind)

#35476D

Tritanopia (blue-blind)

#005659

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f4e6e;
/* rgb */ color: rgb(31, 78, 110);
/* oklch */ color: oklch(40.7% 0.074 241.6);

Tailwind

colors: {
  custom: {
    50: '#657f97',
    500: '#1f4e6e',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e6e;
$custom-light: #657f97;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e6e",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 110
  },
  "hsl": {
    "h": 204.304,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.4072,
    "c": 0.07402,
    "h": 241.6
  },
  "luminance": 0.06866
}

Semantic roles & 50–950 ramp

primary

#1F4E6E

secondary

#A26C47

accent

#8648DF

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1F4E6E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →